I believe it was connecticut or rhode island
        
                    
             
        
        
        
1. it stopped the spread of slavery north of the Ohio river
        
             
        
        
        
Answer:  Dont know if this is multiple answers but i know that one is "the civil war amendments were the 12, 13, 14"
Explanation:
 
        
                    
             
        
        
        
Being able to feel vibrations in the air also helps animal sense approaching dangers.